Class: DirCat::CommandQuery

Inherits:
OptParseCommand::Command
  • Object
show all
Defined in:
lib/dircat/cat_on_yaml_cli/command_query.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.command ⇒ Object 



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# File 'lib/dircat/cat_on_yaml_cli/command_query.rb', line 7

def self.command
  "query"
end

.description ⇒ Object 



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# File 'lib/dircat/cat_on_yaml_cli/command_query.rb', line 11

def self.description
  "show info about dircat catalogs"
end

.usage ⇒ Object 



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# File 'lib/dircat/cat_on_yaml_cli/command_query.rb', line 15

def self.usage
  <<-EOS
  Usage: query [options] <catalog> [<method>]
  where method can be:
    report: show info on catalog
    duplicates: list duplicates into catalog
    list_dup
    script_dup
    fmt_simple

  EOS
end

Instance Method Details

#exec(main, options, rest) ⇒ Object 



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# File 'lib/dircat/cat_on_yaml_cli/command_query.rb', line 28

def exec(main, options, rest)
  if rest.length < 1
    puts "missing catalog!"
    puts "-h to print help"
    return 0
  end

  cat_opts = {}
  cat_filename = rest[0]
  if !File.exists?(cat_filename) or File.directory?(cat_filename)
    puts "first args must be a catalogue"
    return 1
  end

  if rest.length > 1
    command = rest[1]
  else
    command = "report"
  end

  #
  # option verbose
  #
  if options.verbose
    cat_opts[:verbose_level] = 1
  end

  begin
    s = CatOnYaml.from_file(cat_filename, cat_opts)
  rescue Exception => e
    $stderr.put "cannot read catalog '#{cat_filename}' maybe it is an old version?"
    return false
  end

  if s.respond_to? command.to_sym
    puts s.send(command.to_sym)
    true
  else
    puts "unknow methods '#{command}'"
    false
  end
end